EP1094327B1 - Verfahren zur Batteriespannungsmessung - Google Patents

Verfahren zur Batteriespannungsmessung Download PDF

Info

Publication number
EP1094327B1
EP1094327B1 EP00121866A EP00121866A EP1094327B1 EP 1094327 B1 EP1094327 B1 EP 1094327B1 EP 00121866 A EP00121866 A EP 00121866A EP 00121866 A EP00121866 A EP 00121866A EP 1094327 B1 EP1094327 B1 EP 1094327B1
Authority
EP
European Patent Office
Prior art keywords
voltage
battery
measuring line
measuring device
breakage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00121866A
Other languages
English (en)
French (fr)
Other versions
EP1094327A1 (de
Inventor
Naoki Ohsawa
Takafumi Tsurumi
Tomohiko Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP1094327A1 publication Critical patent/EP1094327A1/de
Application granted granted Critical
Publication of EP1094327B1 publication Critical patent/EP1094327B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00—Hybrid electric vehicles, HEVS
    • Y10S903/902—Prime movers comprising electrical and internal combustion motors
    • Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00—Hybrid electric vehicles, HEVS
    • Y10S903/902—Prime movers comprising electrical and internal combustion motors
    • Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/904—Component specially adapted for hev
    • Y10S903/907—Electricity storage, e.g. battery, capacitor

Definitions

  • the present invention relates to a battery voltage measuring device which detects the battery voltage in a power source device formed by connecting a plurality of secondary batteries in series, and in particular, relates to a battery voltage measuring device which quickly detects a breakage of the signal line when a signal line for voltage measurement has been broken.
  • a battery voltage measuring device is known from EP-A-0 932 240.
  • control of these hybrid vehicles is the parallel hybrid vehicle that supplements the output of the engine using an electric motor.
  • various types of control are carried out. For example, during acceleration, the electrical motor assists the output of the engine, and during deceleration, the battery is charged by deceleration regeneration. Thereby, the state of charge of the battery (that is, the remaining charge of the battery) can be maintained, while at the same time fulfilling the needs of the driver.
  • this battery is formed by connecting a plurality of battery cells in series.
  • a battery is formed by connecting a plurality of modules in series, and each module is formed by connecting a plurality of cells in series.
  • voltage sensors are attached to each modules and the voltage of each module is detected by respective voltage sensors.
  • a noise filter formed by a resistors and a capacitor is interposed between each module and each sensor, and these noise filters eliminate the unnecessary noise component from the voltage signal from the battery voltage sent through the signal line. Thereby, a higher precision voltage detection is possible because an averaged voltage is input into the voltage sensor.
  • a battery voltage measuring device capable of immediately detecting a breakage in the voltage measuring line in a battery voltage measuring device using a noise filter comprising resistors and a capacitor.
  • the present invention provides a battery voltage measuring device (in the embodiment, the battery voltage measuring device 50) which divides a plurality of secondary batteries (in the embodiment, secondary batteries 30) connected in series into a plurality of blocks (in the embodiment, modules 10) constituted at least one battery and measures the voltage of each block, comprising voltage measurement devices (in the embodiment, voltage sensors 20) provided on each block to measure the voltage of the block, noise filters (in the embodiment what, noise filters 40) provided before the voltage measurement devices and having capacitor, and measuring line breakage detection resistors (in the embodiment, the measuring line breakage detection resistors 60) that are interposed between the blocks and the voltage measuring devices, and are connected in parallel to the blocks, wherein the resistance ratio of the measuring line breakage detection resistors corresponding to the adjacent blocks is set at at the value in which the voltage value divided by said measuring line breakage detection resistors at the time of breakage of the measuring line becomes a voltage value not normally detected when the measuring line is not broken.
  • FIG. 3 An example of a conventional battery voltage detection device is shown in Fig. 3.
  • voltage sensors 20 are provided for each of the modules 10, and therebetween, noise filters 40 for eliminating noise are provided.
  • noise filters 40 for eliminating noise are provided.
  • FIG. 4 in a battery voltage detection device having this kind of structure, when a voltage measuring line that carries the difference in voltage between modules to the voltage sensors 20 is broken at point A, the voltage VA of the module 10-1 and the voltage VB of module 10-2 is divided by the capacitor of the noise filter, the voltage values V1 and V2 detected by voltage sensor 20-1 and voltage sensor 20-2 deviate from the actual values.
  • the values of V1 and V2 that are read out become the value which is of sum of VA and VB divided by the capacitor C.
  • the low pass filters denoted by 40 in Fig. 3, etc. which require maintaining an equivalent time constant at each channel, the values of the capacitors C and the resistors Rs must be equivalent. Thus, these values become values divided by 2 exactly, and then V1 ⁇ V2, and the breakage failure cannot be detected.
  • the voltage measuring line breakage detection resistors inserted before each noise filter in the case that a breakage of the voltage measuring line occurs, the voltage that is in proportion to the resistance ratio of the voltage measurement breakage detection resistor, that is, the voltage value that differs significantly when compared to the normal value, is detected by the voltage sensor, and the breakage in the voltage measuring line can be detected immediately.
  • the measuring line breakage detection resistor preferably is a resistor on the M ⁇ order.
  • the above measuring line breakage detection resistor is a resistor that shorts each block, because this resistor value is large, the dark current can be reduced to a minimum, and the discharge of the battery during stand-by can be reduced to a minimum.
  • the largest resistor value that is normally available should be selected.
  • the electric corrosion of the patterns, elements, etc., of the substrate of the battery voltage measuring device due to dark current can be avoided.
  • the resistance ratio of the measuring line breakage detecting resistors corresponding to the adjacent blocks are set within a range of 1 : 1.5 to 1 : 3.
  • the voltage value of the block is divided by the resistance ratio set in the above-described range.
  • the value divided by the resistor does not become an extreme value with respect to the range actually used in the voltage sensor, but in addition, neither does it become a value of such a degree that the voltage sensor cannot detect an abnormality.
  • Fig. 1 is a block diagram showing the structure of the battery voltage measuring device according to one embodiment of the present invention.
  • reference numeral 30 denotes secondary batteries that are the object of measurement
  • modules 10 are formed by connecting a plurality of batteries 30 in series, and a plurality of modules 10 (10-1 to 10-N) are connected in series.
  • Reference numeral 20 (20-1 to 20-N) denotes voltage sensors provided so as to correspond to each of the modules 10 (10-1 to 10-N), and are provided respectively on modules 10 (10-1 to 10-N) through noise filters 40 (40-1 to 40-N).
  • noise filters 40 are low pass filters simply constituted from the resistors and the capacitor. By providing this type of noise filter before a voltage sensor, the voltage sensors 20 can measure the voltages in which the noise components have been eliminated.
  • resistors for detecting breakage of the voltage measuring line that carry the voltage between the module to the voltage sensor 20 are connected in parallel.
  • resistors having differing resistances are connected in resistors connected to the same voltage measuring line. Specifically, as shown in Fig. 1, between the two resistors connected to the voltage measuring line Q, a 1 M ⁇ resistor is used for the voltage line breakage detection resistor 60-1, and a 2 M ⁇ resistor is used for the voltage line breakage detection resistor 60-2.
  • the voltage line breakage detector resistor 60-2 uses a 2 M ⁇ resistor
  • the voltage line breakage detection resistor 60-3 uses a 1 M ⁇ resistor. In this manner, the resistors are connected such that the resistances alternate. Moreover, below, the determination of the resistance of the voltage line breakage detection resistors 60 will be explained in detail.
  • VA is the actual voltage value of the module 10-1
  • VB is the actual voltage value of the module 10-2.
  • the variance in the voltage between modules is within about 10% under such conditions as, for example, that the discharged current is small. Therefore, in the case that the voltage of each module detected by the voltage sensors exceeds a variance equal to or greater than 10%, an abnormal condition can be detected.
  • the resistances of the measuring line breakage detecting resistors must be set so that when the voltage measuring line is broken, the voltages detected by the voltage sensors has a variance equal to or greater than 10%.
  • each of the modules 10 (10-1 to 10-N) is required to have a capacity to output a maximum of 20 V
  • the voltage sensors 20 (20-1 to 20-N) that measure this voltage must have a capacity to measure up to this value with margin added.
  • the voltage sensor for measuring line breakage detection in the case that the above-described measuring line breakage detection resistance ratio is 1 : 3, the voltage sensor for measuring line breakage detection must have a capacity to be able to measure up to 30 V.
  • the measuring line breakage detecting resistance ratio must be set to the degree that an extremely large voltage is not generated with respect to the actual use range when a measuring line is broken, but at the same time set to a degree that the voltage value detected by the voltage sensor is not within the normal variance criteria for the voltage value for the cases in which a breakage of the measuring line occurs and the case in which it does not occur.
  • this measuring line breakage detecting resistor is a resistor that shorts each module, and thus when this value becomes small, because there is concern about an increase in the dark current and electrolytic corrosion of the circuit pattern occur, a maximum resistance that is normally available, for example, 1 M ⁇ or 2 M ⁇ , is selected.
  • each battery are formed by connecting a plurality of modules in series and each module is formed by connecting a plurality of cells in series, this can be applied to a battery formed by a single battery cell.
  • Fig. 5 shows the schematic structure of a parallel hybrid vehicle.
  • reference numeral 1 denotes a high voltage battery which is formed by modules 10 (10-1, 10-2, ...) having a plurality of cells connected in series serving as a unit, and these modules are further connected in series.
  • a voltage measuring device 20 that detects voltage is provided, and the voltage values of each module measured by the voltage measuring devices 20 are output to the battery control device 5.
  • the current sensor that detects the current flowing in the battery 1 and the temperature sensor that detects the temperature of the battery 1 respectively detect the current and temperature at a predetermined timing, and output these values to the battery control device 5.
  • Reference numeral 2 denotes a power drive unit that is formed by three units of switching elements, such as IGBT, connected in parallel, wherein each unit is formed by two switching element connected in series.
  • Reference numeral 3 denotes an engine that operates using the combustion energy of a fuel
  • reference numeral 4 is an electrical motor used together with the engine and operating using electrical energy.
  • the driving force of both the engine 3 and the motor 4 is transmitted to drive wheels (not illustrated) through a transmission (not illustrated) comprising automatic transmission or manual transmission.
  • the drive force is transmitted from the drive wheels to the motor 4, the motor 4 generates what is termed regenerative braking force by functioning as a generator, and the battery 1 is charged.
  • the structure of the hybrid vehicle may provide a generator for charging the battery 1.
  • the drive and regeneration of the motor 4 is carried out by the power drive unit 2, which receives a control command from the motor control device 6. Specifically, by turning ON and OFF the switching elements in the power drive unit 2 by the motor control device 6, the electric power from the battery 1 is supplied to the motor 3 through three-phase wiring, and the regenerative electrical power of the motor 2 is supplied to the battery 1.
  • Reference numeral 5 denotes a battery control device that receives at predetermined timings the voltages (V1 to Vn) of each module that forms the battery 1 from the voltage sensors 20 (20-1 to 20-N), the battery current Ibatt that flows through the battery from the current sensor, and the temperature Tbatt of the battery 1 from the temperature sensor, and calculates the remaining charge SOC (state of charge, that is, the remaining battery charge) of the battery 1 from these output values.
  • Reference numeral 7 denotes an engine control device that monitors the engine speed NE, the vehicle speed, etc., at predetermined intervals, and determines whether the vehicle's mode is, for example, motor regeneration, assistance, or deceleration. In addition, at the same time, as a result of the determination of the above mode determination, the engine control device 7 determines the assistance/regeneration amount based on the state of charge SOC sent from the battery control device 5.
  • the battery control device 5, the motor control device 6, and the engine control device 7 are formed by a CPU (central processing unit) and memory, and the functions thereof are realized by executing a program that realizes the functions of the control devices.
  • the battery voltage measuring device 50 provided on the battery 1 is the battery voltage detection device of the present invention, and as shown in Fig. 1, voltage sensors 20 are, provided respectively on each module constructed by connecting in series a plurality of cells, and between each of the modules 10 and each of the voltage sensors 20, a noise filter comprising a capacitor and resistors is interposed, and additionally, a measuring line breakage detection resistor is connected in parallel to each module.
  • the above-described voltage sensors 20 (20-1 to 20-N) measure the voltage of the modules 10 (10-1 to 10-N) based on continuous or periodic timing, and this measurement result is output to the battery control device 5 at a predetermined timing.
  • the two voltage sensors having the broken measuring line measure the voltage (refer to equations 1 and 2) determined by the ratio of the respective measuring line breakage detecting resistors, and these voltages are output to the battery control device 5.
  • the battery control device 5 When the battery control device 5 receives the voltage of each module from each voltage sensor, first the variation of the received voltage values for each module is detected. At this time, if any of the measuring lines of the voltage measuring device are broken, the voltage values detected by the voltage sensor on this measuring line become values that deviate significantly from the voltage values of the other modules. As a result of this, the variation of the voltage of each module detected by the battery control device 5 becomes comparatively larger than normal.
  • the battery control device 5 determines the variation of the voltage of each of these modules, and when it determines that the variation is large in comparison to the normal variation, it detects that somewhere among the modules or the battery voltage measuring device 50 an abnormality has occurred, and outputs abnormality occurrence signals to the motor control device 6 and the engine control device 7, and then takes appropriate action towards the detected abnormality.
  • the battery control device 5 receives the battery current Ibatt from the battery current sensor and the battery temperature Tbatt from the battery temperature sensor at the same timing, it calculates the state of charge SOC of the battery 1 from the voltage, current, and temperature of this battery.
  • the battery control device 5 outputs at a predetermined timing the calculated remaining charge SOC of the battery 1 to the motor control device 6, and the motor control device 6 and the engine control device 7 respectively control the motor and engine using this state of charge SOC of the battery 1 as one parameter for controlling the hybrid vehicle.
  • the control of each component of the hybrid vehicle can also be carried out accurately.
  • the battery voltage measuring device of the present invention is small sized and low cost, cost reductions can be implemented by using this battery voltage measuring device.
  • a voltage measuring line breakage detecting resistor is provided in parallel to each corresponding block.
  • the dark current can be reduced to a minimum, and the discharge of the battery during stand-by can be reduced to a minimum.
  • the present invention provides a battery voltage measuring device capable of immediately detecting a breakage in the voltage measuring line in a battery voltage measuring device that detects the battery voltage.
  • a battery voltage measuring device capable of immediately detecting a breakage in the voltage measuring line in a battery voltage measuring device that detects the battery voltage.
  • voltage sensors that detect the voltage of each block are respectively provided.
  • noise filters are provided, and in addition, a measuring line breakage detecting resistor for detecting a breakage in the voltage measuring line is connected in parallel to each block.
  • the voltage measuring line Q in the case that the voltage measuring line Q is broken, the voltage values V1 and V2 detected by the voltage sensors 20-1 and 20-2 become voltage values that accompany the resistance ratio of the measuring line breakage detecting resistors 60-1 and 60-2.
  • the voltage sensor detects a voltage that is not normally detected, and as a result, it becomes possible to immediately detect the breakage in the voltage measuring line.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Hybrid Electric Vehicles (AREA)

Claims (4)

  1. Batteriespannungsmesseinrichtung (50) zur Erfassung einer Batteriespannung in einer Energiequelle (1), welche durch eine Mehrzahl von Blöcken (10) in Reihe ausgebildet ist, wobei jeder Block (10) von wenigstens einer Sekundärbatterie (30) gebildet ist und wobei die Batteriespannungsmesseinrichtung (50) dafür bestimmt ist, die Spannung von jedem Block (10) zu messen, umfassend:
    eine Spannungsmesseinrichtung (20), welche an jedem der Blöcke (10) zur Messung der Spannung von jedem der Blöcke (10) vorgesehen ist,
    dadurch gekennzeichnet, dass ein Entstörfilter (40) vor jeder der Spannungsmesseinrichtungen (20) vorgesehen ist und Widerstände (Rs) und einen Kondensator (C) hat;
    dass ein Messleitungsunterbrechungserfassungswiderstand (60) zwischen jedem der Blöcke (10) und jedem der Spannungsmesseinrichtungen (20) angeordnet ist und parallel mit dem jeweiligen von jedem der Blöcke (10) verbunden ist, wobei
    die Messleitungsunterbrechungserfassungswiderstände (60), welche benachbarten Blöcken (10) entsprechen, sich unterscheidende Widerstände haben, derart,
    dass das Spannungsteilungswiderstandsverhältnis der Messleitungsunterbrechungserfassungswiderstände (60) entsprechend benachbarten Blöcken (10) auf einen Wert eingestellt ist, bei welchem die Spannung, welche proportional zu dem Spannungsteilungswiderstandsverhältnis ist, über einen normalen Variationsbereich hinaus variiert, in welchem die Spannung ohne eine Unterbrechung einer Messleitung variiert.
  2. Batteriespannungsmesseinrichtung gemäß Anspruch 1, wobei das Spannungsteilungswiderstandsverhältnis der Messleitungsunterbrechungserfassungswiderstände (60) entsprechend benachbarten Blöcken (10) in einen Bereich von 1 : 1,5 bis 1 : 3 eingestellt ist.
  3. Batteriespannungsmesseinrichtung gemäß Anspruch 1 oder 2, wobei die Messleitungsunterbrechungserfassungswiderstände (60), welche sich unterscheidende Widerstände besitzen, so angeschlossen sind, dass die Widerstände abwechseln.
  4. Batteriespannungsmesseinrichtung gemäß einem der Ansprüche 1 bis 3, wobei jeder der Messleitungsunterbrechungserfassungswiderstände (60) einen Widerstand in der MΩ-Größenordnung hat.
EP00121866A 1999-10-19 2000-10-06 Verfahren zur Batteriespannungsmessung Expired - Lifetime EP1094327B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29747599 1999-10-19
JP29747599A JP3300309B2 (ja) 1999-10-19 1999-10-19 電池電圧測定装置

Publications (2)

Publication Number Publication Date
EP1094327A1 EP1094327A1 (de) 2001-04-25
EP1094327B1 true EP1094327B1 (de) 2005-12-14

Family

ID=17846988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00121866A Expired - Lifetime EP1094327B1 (de) 1999-10-19 2000-10-06 Verfahren zur Batteriespannungsmessung

Country Status (7)

Country Link
US (1) US6255826B1 (de)
EP (1) EP1094327B1 (de)
JP (1) JP3300309B2 (de)
KR (1) KR100355821B1 (de)
CN (1) CN1140814C (de)
CA (1) CA2322257C (de)
DE (1) DE60024753T2 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4034504B2 (ja) * 2000-07-31 2008-01-16 アルプス電気株式会社 検出装置
JP3696124B2 (ja) * 2001-05-17 2005-09-14 三洋電機株式会社 組電池の電圧検出回路
JP4019815B2 (ja) * 2002-06-26 2007-12-12 日産自動車株式会社 組電池の異常診断装置および方法
JP3539424B2 (ja) * 2002-07-24 2004-07-07 日産自動車株式会社 電気自動車の制御装置
DE10250520A1 (de) * 2002-10-29 2004-05-19 Cremer, Christian, Dipl.-Ing. Zellspannungsüberwachungsgerät mit Kabelbrucherkennung
JP4111150B2 (ja) * 2003-09-16 2008-07-02 ブラザー工業株式会社 電子機器
JP4103781B2 (ja) * 2003-11-19 2008-06-18 トヨタ自動車株式会社 負荷駆動回路における異常監視装置
US9496720B2 (en) 2004-08-20 2016-11-15 Midtronics, Inc. System for automatically gathering battery information
KR100624944B1 (ko) 2004-11-29 2006-09-18 삼성에스디아이 주식회사 배터리 팩의 보호회로
JP4531608B2 (ja) * 2005-03-30 2010-08-25 ルネサスエレクトロニクス株式会社 電池電圧測定装置
KR100669434B1 (ko) 2005-04-07 2007-01-15 삼성에스디아이 주식회사 이차 전지 모듈 제어방법
JP4509852B2 (ja) 2005-05-17 2010-07-21 株式会社東芝 組電池装置とその電圧検出装置
JP4904729B2 (ja) * 2005-07-01 2012-03-28 日産自動車株式会社 セル電圧測定装置及び燃料電池
KR100717789B1 (ko) * 2005-07-29 2007-05-11 삼성에스디아이 주식회사 이차 전지 모듈의 전지 잔존용량 산출방법
KR100739054B1 (ko) 2005-10-20 2007-07-12 삼성에스디아이 주식회사 배터리 관리 시스템 및 배터리의 셀 전압 측정방법
KR100740097B1 (ko) 2005-10-20 2007-07-16 삼성에스디아이 주식회사 배터리의 ｓｏｃ 추정 방법 및 이를 이용한 배터리 관리시스템
JP4620571B2 (ja) * 2005-11-21 2011-01-26 ルネサスエレクトロニクス株式会社 電池電圧監視装置
TWI280396B (en) * 2005-12-26 2007-05-01 Inventec Appliances Corp Method for detecting a battery voltage with a high precision
JP4560501B2 (ja) * 2006-08-11 2010-10-13 矢崎総業株式会社 充電状態調整装置
KR100796668B1 (ko) 2006-09-26 2008-01-22 삼성에스디아이 주식회사 배터리 관리 시스템 및 그의 구동 방법
KR100859688B1 (ko) 2006-10-12 2008-09-23 삼성에스디아이 주식회사 배터리 관리 시스템 및 그의 구동 방법
KR100814884B1 (ko) 2006-10-16 2008-03-20 삼성에스디아이 주식회사 배터리 관리 시스템 및 그 구동방법
JP5210511B2 (ja) * 2006-10-26 2013-06-12 矢崎総業株式会社 異常検出装置
KR100756976B1 (ko) * 2006-10-31 2007-09-07 주식회사 케피코 배터리 전압 측정 회로 및 이를 이용한 배터리 전압 측정방법
KR100839381B1 (ko) 2006-11-01 2008-06-20 삼성에스디아이 주식회사 배터리 관리 시스템 및 그 구동방법
JP5102483B2 (ja) * 2006-11-29 2012-12-19 プライムアースＥｖエナジー株式会社 異常検出装置、異常検出方法、及び異常検出プログラム
JP4693761B2 (ja) * 2006-12-25 2011-06-01 株式会社東芝 組電池システム
JP4864730B2 (ja) * 2007-01-05 2012-02-01 ルネサスエレクトロニクス株式会社 電池電圧監視装置
KR100882913B1 (ko) 2007-03-19 2009-02-10 삼성에스디아이 주식회사 배터리 팩
JP4104648B1 (ja) * 2007-09-13 2008-06-18 和征 榊原 電池パック
US7852047B2 (en) * 2007-09-20 2010-12-14 Denso Corporation Disconnection detection device of assembled battery system and disconnection detection method of same
JP4649464B2 (ja) * 2007-11-29 2011-03-09 本田技研工業株式会社 電池電圧検出装置
DE102007061539A1 (de) * 2007-12-20 2009-07-02 Continental Automotive Gmbh Überwachungsschaltung für einen Energiespeicher und Verfahren zum Überwachen eines Energiespeichers
JP4216898B1 (ja) * 2008-03-28 2009-01-28 和征 榊原 電池パック
JP5169491B2 (ja) * 2008-05-28 2013-03-27 株式会社Ｇｓユアサ 組電池監視装置及び組電池用配線の断線検出方法
EP2136219A3 (de) * 2008-06-17 2011-10-19 Sanyo Electric Co., Ltd. Spannungserkennungsvorrichtung für eine zusammengesetzte Batterie und zusammengesetztes Batteriesystem, das diese Vorrichtung umfasst
JP4775415B2 (ja) * 2008-07-14 2011-09-21 Ｔｄｋ株式会社 電圧モニタ回路
ES2395695T3 (es) * 2009-03-18 2013-02-14 Vito Nv Sistema de células de potencia con medios para detectar una discontinuidad
JP2010271267A (ja) * 2009-05-25 2010-12-02 Mitsubishi Motors Corp 電池監視装置
JP5535531B2 (ja) * 2009-06-25 2014-07-02 矢崎総業株式会社 断線検出装置
US8816613B2 (en) * 2009-07-02 2014-08-26 Chong Uk Lee Reconfigurable battery
US8957610B2 (en) * 2009-07-02 2015-02-17 Chong Uk Lee Multi-port reconfigurable battery
US9588185B2 (en) 2010-02-25 2017-03-07 Keith S. Champlin Method and apparatus for detecting cell deterioration in an electrochemical cell or battery
US9425487B2 (en) 2010-03-03 2016-08-23 Midtronics, Inc. Monitor for front terminal batteries
JP4602471B1 (ja) 2010-04-14 2010-12-22 和征 榊原 電池パックおよび電池パックシステム
US10046649B2 (en) 2012-06-28 2018-08-14 Midtronics, Inc. Hybrid and electric vehicle battery pack maintenance device
US20110300416A1 (en) 2010-06-03 2011-12-08 Bertness Kevin I Battery pack maintenance for electric vehicle
US11740294B2 (en) 2010-06-03 2023-08-29 Midtronics, Inc. High use battery pack maintenance
CN102918410B (zh) * 2010-06-04 2014-11-26 丰田自动车株式会社 二次电池、二次电池的检查装置和检查方法以及电池检查系统
JP5911673B2 (ja) * 2010-07-30 2016-04-27 三洋電機株式会社 電源装置
DE102010040713A1 (de) * 2010-09-14 2012-03-15 Sb Limotive Company Ltd. Batterie mit Erfassung von Zellspannungen und Batteriestrom und nur einer Potentialtrennungseinrichtung
JP5705556B2 (ja) * 2011-01-11 2015-04-22 ラピスセミコンダクタ株式会社 半導体回路、半導体装置、断線検出方法、及び断線検出プログラム
JP5353914B2 (ja) * 2011-02-01 2013-11-27 株式会社デンソー 電池電圧監視装置
JP5353915B2 (ja) 2011-02-01 2013-11-27 株式会社デンソー 電池電圧監視装置
DE102011079363A1 (de) * 2011-07-19 2013-01-24 Sb Limotive Company Ltd. Vorrichtung und Verfahren zur Messung einer minimalen Zellspannung
DE102011079360A1 (de) 2011-07-19 2013-01-24 Sb Limotive Company Ltd. Vorrichtung und Verfahren zur Messung einer maximalen Zellspannung
JP5652355B2 (ja) * 2011-08-30 2015-01-14 株式会社Ｇｓユアサ 組電池監視装置、及び、電池パック
JP5602114B2 (ja) * 2011-09-06 2014-10-08 三菱自動車工業株式会社 電池管理装置、電池管理システム
WO2013070850A2 (en) 2011-11-10 2013-05-16 Midtronics, Inc. Battery pack tester
DE102012000583A1 (de) * 2012-01-13 2013-07-18 Audi Ag Batterieanordnung für ein Kraftfahrzeug
JP5602167B2 (ja) * 2012-02-21 2014-10-08 オムロンオートモーティブエレクトロニクス株式会社 組電池監視装置
JP5989375B2 (ja) 2012-03-28 2016-09-07 ラピスセミコンダクタ株式会社 半導体装置及び電池監視システム
US11325479B2 (en) 2012-06-28 2022-05-10 Midtronics, Inc. Hybrid and electric vehicle battery maintenance device
US9851411B2 (en) * 2012-06-28 2017-12-26 Keith S. Champlin Suppressing HF cable oscillations during dynamic measurements of cells and batteries
JP5811062B2 (ja) * 2012-08-02 2015-11-11 株式会社豊田自動織機 電圧監視装置
JP6127437B2 (ja) * 2012-10-12 2017-05-17 静岡製機株式会社 燃焼制御装置
JP5870899B2 (ja) * 2012-10-30 2016-03-01 株式会社デンソー 電池監視装置
WO2014075630A1 (en) * 2012-11-19 2014-05-22 Shenzhen Byd Auto R & D Company Limited Protective device and protective system for battery assembly
JP2014126437A (ja) * 2012-12-26 2014-07-07 Denso Corp 電池監視装置
US10106038B2 (en) 2012-12-28 2018-10-23 Johnson Controls Technology Company Dual function battery system and method
US10084214B2 (en) * 2013-03-15 2018-09-25 Atieva, Inc. Automatic switchover from cell voltage to interconnect voltage monitoring
CN105164541B (zh) * 2013-04-26 2018-04-06 日立汽车系统株式会社 电池监视装置和使用该电池监视装置的电池系统
US9770997B2 (en) 2013-06-11 2017-09-26 Ford Global Technologies, Llc Detection of imbalance across multiple battery cells measured by the same voltage sensor
JP6253270B2 (ja) 2013-06-14 2017-12-27 ラピスセミコンダクタ株式会社 電池監視システム、半導体回路、断線検出プログラム、及び断線検出方法
JP6016754B2 (ja) * 2013-11-15 2016-10-26 オムロンオートモーティブエレクトロニクス株式会社 組電池電圧検出装置
JP6040916B2 (ja) * 2013-11-19 2016-12-07 株式会社デンソー 断線検出装置
US10843574B2 (en) 2013-12-12 2020-11-24 Midtronics, Inc. Calibration and programming of in-vehicle battery sensors
US9923289B2 (en) 2014-01-16 2018-03-20 Midtronics, Inc. Battery clamp with endoskeleton design
JP6201778B2 (ja) * 2014-01-17 2017-09-27 株式会社ケーヒン 電圧検出装置
CN104808078A (zh) * 2014-01-29 2015-07-29 陕西汽车集团有限责任公司 一种用于电池管理系统功能测试的测试系统
US10473555B2 (en) 2014-07-14 2019-11-12 Midtronics, Inc. Automotive maintenance system
US10222397B2 (en) 2014-09-26 2019-03-05 Midtronics, Inc. Cable connector for electronic battery tester
US10317468B2 (en) 2015-01-26 2019-06-11 Midtronics, Inc. Alternator tester
US9966676B2 (en) 2015-09-28 2018-05-08 Midtronics, Inc. Kelvin connector adapter for storage battery
JP6398964B2 (ja) 2015-12-15 2018-10-03 株式会社デンソー 組電池監視システム
US10608353B2 (en) 2016-06-28 2020-03-31 Midtronics, Inc. Battery clamp
US11054480B2 (en) 2016-10-25 2021-07-06 Midtronics, Inc. Electrical load for electronic battery tester and electronic battery tester including such electrical load
WO2019069390A1 (ja) * 2017-10-04 2019-04-11 日産自動車株式会社 バッテリパックの検査方法および検査装置
JP6958267B2 (ja) * 2017-11-10 2021-11-02 トヨタ自動車株式会社 自動車
US11005276B2 (en) 2018-01-23 2021-05-11 Solsona Enterprise, Llc Stacked variable voltage battery module arrangement
CN108896902B (zh) * 2018-06-12 2020-11-10 广州小鹏汽车科技有限公司 一种bms单体采集电路故障诊断电路、系统和方法
CN110907056A (zh) * 2018-09-14 2020-03-24 宁德时代新能源科技股份有限公司 一种电池组温度检测系统
US11513160B2 (en) 2018-11-29 2022-11-29 Midtronics, Inc. Vehicle battery maintenance device
US11418041B2 (en) 2019-03-15 2022-08-16 Lg Energy Solution, Ltd. Battery system
US11566972B2 (en) 2019-07-31 2023-01-31 Midtronics, Inc. Tire tread gauge using visual indicator
US11545839B2 (en) 2019-11-05 2023-01-03 Midtronics, Inc. System for charging a series of connected batteries
US11668779B2 (en) 2019-11-11 2023-06-06 Midtronics, Inc. Hybrid and electric vehicle battery pack maintenance device
US11474153B2 (en) 2019-11-12 2022-10-18 Midtronics, Inc. Battery pack maintenance system
US11973202B2 (en) 2019-12-31 2024-04-30 Midtronics, Inc. Intelligent module interface for battery maintenance device
US11486930B2 (en) 2020-01-23 2022-11-01 Midtronics, Inc. Electronic battery tester with battery clamp storage holsters
GB202011897D0 (en) 2020-07-30 2020-09-16 Cummins Inc Detecting thermal events in battery packs

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383211A (en) 1981-01-02 1983-05-10 Atlantic Richfield Company Electrical charging and discharging control apparatus and method, and solar to electrical energy conversion apparatus incorporating such apparatus
CA2034824A1 (en) 1991-01-23 1992-07-24 John Alan Gibson Current harmonic, current form factor and power factor modification unit for rectifier supplied loads
FR2713781B1 (fr) * 1993-12-09 1996-01-19 Accumulateurs Fixes Circuit de mesure pour ensemble modulaire de cellules électriquement montées en série, notamment pour batterie d'accumulateur électrique.
KR100213760B1 (ko) * 1996-10-16 1999-08-02 오상수 하이브리드 자동차용 배터리 충전시스템
KR100204272B1 (ko) * 1996-12-27 1999-06-15 양재신 전기자동차용 배터리의 누전차단장치
JP3503453B2 (ja) * 1997-12-26 2004-03-08 株式会社日立製作所 電池システム及びそれを用いた電気自動車
KR200316732Y1 (ko) * 1998-11-13 2003-08-19 발레오만도전장시스템스코리아 주식회사 차량용 발전기의 전압조정기
KR20000040537A (ko) * 1998-12-18 2000-07-05 윤종용 배터리 검사장치

Also Published As

Publication number Publication date
DE60024753D1 (de) 2006-01-19
KR100355821B1 (ko) 2002-10-19
CN1140814C (zh) 2004-03-03
CN1293370A (zh) 2001-05-02
US6255826B1 (en) 2001-07-03
CA2322257A1 (en) 2001-04-19
CA2322257C (en) 2002-12-03
KR20010040039A (ko) 2001-05-15
JP2001116776A (ja) 2001-04-27
DE60024753T2 (de) 2006-07-06
EP1094327A1 (de) 2001-04-25
JP3300309B2 (ja) 2002-07-08

Similar Documents

Publication Publication Date Title
EP1094327B1 (de) Verfahren zur Batteriespannungsmessung
US9519027B2 (en) Battery monitoring device and battery system monitoring device
US9647301B2 (en) Battery monitoring apparatus
EP2843431B1 (de) Batterieüberwachungsvorrichtung und batteriesystemüberwachungsvorrichtung
US6437538B1 (en) Battery voltage measurement apparatus
US9459324B2 (en) Device and method for the redundant determination of a battery current flowing through the poles of a battery
US7554291B2 (en) Battery control system for a chargeable-and-dischargeable power supply system
US20160233700A1 (en) Battery monitor apparatus
US20110049977A1 (en) Safety and performance optimized controls for large scale electric vehicle battery systems
US9921270B2 (en) Battery system with cell voltage detecting units
US20210148993A1 (en) Ground fault detection device
JP4171449B2 (ja) 車両用の電源装置
JP3803992B2 (ja) 電気自動車用組み電池の電池管理装置
US20220097566A1 (en) Cell Balancing Device
US20220091193A1 (en) Power control device and open-circuit fault diagnosis method thereof
WO2018101005A1 (ja) 電池制御装置
US7459911B2 (en) Method for detecting the connection between the energy storage mechanism and the electrical system of a vehicle
KR101854456B1 (ko) 배터리 센서 및 배터리 모니터링 시스템
JP4389758B2 (ja) セル電圧バラツキ異常検出装置
CN110350257B (zh) 用于机动车的电池系统和机动车
JP2000060011A (ja) 集合電池の状態検出方法及び状態検出装置
EP3923008B1 (de) Verfahren und vorrichtung zur messung des elektrischen stroms eines batteriesystems
US20220155376A1 (en) Battery Apparatus and Current Sensor Diagnosis Method
EP4332586A1 (de) Vorrichtung zur messung des isolationswiderstands und batteriesystem damit
EP2189322B1 (de) Akkumulatorsystem, überwachungsvorrichtung und hybridschienenfahrzeug

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20010618

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20040512

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60024753

Country of ref document: DE

Date of ref document: 20060119

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060915

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20121003

Year of fee payment: 13

Ref country code: FR

Payment date: 20121018

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20121003

Year of fee payment: 13

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20131006

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131006

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140630

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60024753

Country of ref document: DE

Effective date: 20140501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140501

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131031